Internal Hex, Internal Torx, External Hex
5/16 ", 2-1/2 ", 4 mm, 7 mm, 15/16 "
1-1/2, 1/2, 1/4, 3/8, 3/4
Phosphated, Phosphatized, Gun-metal, Black Phosphate, Black Oxide
1-1/8 in, 8 in, 58 mm, 2-7/16 in, 13 mm
12-Point, 6-Point, 8-Point, 7-Point, 4-Point
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